M81935/1-08L

View detailed technical data, stock status, and sourcing information for: M81935/1-08L

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M81935/1-08L
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-01-140-9939
Item Name Code
13209
Assigment Date
10/21/1982 (43 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

3.1065 inches nominal overall length, externally threaded shank style, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, 3a thread class, left-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
left-hand
Shank Style
externally threaded
Overall Length
3.1065 inches nominal
Bore Diameter
0.4995 inches minimum and 0.5000 inches maximum
Outer Member Outside Diameter
1.3270 inches minimum and 1.3470 inches maximum
Bore Center To Shank End Distance
2.4280 inches minimum and 2.4480 inches maximum
Outer Member Width
0.5100 inches minimum and 0.5200 inches maximum
Inner Member Width
0.6230 inches minimum and 0.6250 inches maximum
Shank Thread Length
1.4370 inches minimum and 1.4990 inches maximum
Static Radial Load Rating
19500 pounds
Thread Diameter
0.500 inches nominal
Thread Quantity Per Inch
20
Hardness Rating
39.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating
55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 37.0 rockwell c maximum race insert
Material
plastic polytetrafluoroethylene and plastic polyamide (nylon) and plastic phenolic race liner
Material
steel comp 440c inner member
Material
steel comp 630 race insert
Material
steel comp e4340 rod end body
Material Document And Classification
ams5630 assn std single material response inner member
Material Document And Classification
ams5643 assn std single material response race insert
Material Document And Classification
mil-b-81820 mil spec all material responses race liner
Material Document And Classification
mil-s-5000 mil spec single material response rod end body
Surface Treatment
cadmium and chromate rod end body
Surface Treatment Document And Classification
qq p-416,ty 2,cl 2 fed spec single treatment response rod end body
Style Designator
ball type
Thread Series Designator
unjf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
ASB-8T Rod End Plain Bearing
M81935/1-08L Rod End Plain Bearing
M81935/1-8L Rod End Plain Bearing
MS21242S-8 Rod End Plain Bearing
MS21242S08L Rod End Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-01-140-9939?
The FSCG of the NSN 3120-01-140-9939 is 3120
Does the NSN 3120-01-140-9939 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-01-140-9939 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-01-140-9939 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-140-9939 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-01-140-9939 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Thu, Oct 21, 1982

Professional Distribution

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  • AS9120 Quality Standards
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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 6
New Material 44
Total 50
Availability of this item was last updated on: 01/05/2026 11:01 AM EST. Stock levels and pricing are subject to change.

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